Correction of High Vibration on a Vertical Turbine Deep Well Pump with a Dynamic Vibration Absorber
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A 100 horsepower, 180 foot deep vertical turbine pump called #12 Well Pump had a history of reoccurring high vibration despite multiple pump rebuilds and motor replacements. The problem was identified as a structural resonance of the motor and discharge head assembly. It was determined that a dynamic vibration absorber (DVA) would be the most effective solution. This case study presents the technique of diagnosing the resonance and the methodology of designing and calibrating a dynamic vibration absorber. Installation of the DVA reduced the overall vibration velocity amplitude by a factor of 16.
Bryant, Benjamin; Moll, Matthew (2018). Correction of High Vibration on a Vertical Turbine Deep Well Pump with a Dynamic Vibration Absorber. Turbomachinery Laboratory, Texas A&M Engineering Experiment Station. Available electronically from